Animal Behavior Roundup
Fish suffer from sleep deprivation just like humans.
Podcast
When plants heat things up. How dolphins sleep. "Healthy" restaurants that aren't. Army ant …
Sleeping Dolphins
A listener asks: Why don't dolphins drown while they sleep?
Healthy Restaurants
Restaurant chains advertising healthful food may actually encourage overeating.
Fear and Bonding Roundup
The hormone oxytocin helps mothers bond with their babies.
Podcast
How spiders avoid getting caught. Plastic that's as strong as steel. A purpose for the appendix? And …
Ultrastrong Plastic
Engineers have created a plastic that's as strong as steel, but lighter.
Spider Webs
A listener asks: Can spiders get caught in the webs of other spiders?
Vocal Joystick
A new computer program allows users to operate a mouse using just the sound of their voice.